diff --git a/.ipynb_checkpoints/lab7-checkpoint.ipynb b/.ipynb_checkpoints/lab7-checkpoint.ipynb
new file mode 100644
index 0000000..df18851
--- /dev/null
+++ b/.ipynb_checkpoints/lab7-checkpoint.ipynb
@@ -0,0 +1,1004 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "00f80e80",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pymysql\n",
+    "from sqlalchemy import create_engine\n",
+    "import pandas as pd"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "df205d96",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "········\n"
+     ]
+    }
+   ],
+   "source": [
+    "import getpass\n",
+    "password = getpass.getpass()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "07cafea0",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_may</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>SUE PETERS</td>\n",
+       "      <td>8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>LESLIE SEWARD</td>\n",
+       "      <td>7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>EDNA WEST</td>\n",
+       "      <td>7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>CASSANDRA WALTERS</td>\n",
+       "      <td>6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>MINNIE ROMERO</td>\n",
+       "      <td>6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>515</th>\n",
+       "      <td>JOEL FRANCISCO</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>516</th>\n",
+       "      <td>JACK FOUST</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>517</th>\n",
+       "      <td>DOROTHY TAYLOR</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>518</th>\n",
+       "      <td>ANITA MORALES</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>519</th>\n",
+       "      <td>KATHERINE RIVERA</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>520 rows × 2 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "             full_name  count_film_rent_may\n",
+       "0           SUE PETERS                    8\n",
+       "1        LESLIE SEWARD                    7\n",
+       "2            EDNA WEST                    7\n",
+       "3    CASSANDRA WALTERS                    6\n",
+       "4        MINNIE ROMERO                    6\n",
+       "..                 ...                  ...\n",
+       "515     JOEL FRANCISCO                    1\n",
+       "516         JACK FOUST                    1\n",
+       "517     DOROTHY TAYLOR                    1\n",
+       "518      ANITA MORALES                    1\n",
+       "519   KATHERINE RIVERA                    1\n",
+       "\n",
+       "[520 rows x 2 columns]"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "connection_string = 'mysql+pymysql://root:' + password + '@localhost/sakila'\n",
+    "engine = create_engine(connection_string)\n",
+    "may_data = pd.read_sql_query(\"select concat(cus.first_name,' ', cus.last_name) as full_name, \\\n",
+    "count(rent.customer_id) as count_film_rent_may \\\n",
+    "from sakila.rentals_may rent \\\n",
+    "left join sakila.customer cus \\\n",
+    "on rent.customer_id = cus.customer_id \\\n",
+    "group by rent.customer_id \\\n",
+    "order by 2 desc\", engine)\n",
+    "may_data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "id": "20473510",
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_june</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>BRENDA WRIGHT</td>\n",
+       "      <td>11</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>ALEX GRESHAM</td>\n",
+       "      <td>10</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>FRANK WAGGONER</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>DAISY BATES</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>IAN STILL</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>585</th>\n",
+       "      <td>FRANCIS SIKES</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>586</th>\n",
+       "      <td>ALLEN BUTTERFIELD</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>587</th>\n",
+       "      <td>GREGORY MAULDIN</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>588</th>\n",
+       "      <td>LAURA RODRIGUEZ</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>589</th>\n",
+       "      <td>ELLEN SIMPSON</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>590 rows × 2 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "             full_name  count_film_rent_june\n",
+       "0        BRENDA WRIGHT                    11\n",
+       "1         ALEX GRESHAM                    10\n",
+       "2       FRANK WAGGONER                     9\n",
+       "3          DAISY BATES                     9\n",
+       "4            IAN STILL                     9\n",
+       "..                 ...                   ...\n",
+       "585      FRANCIS SIKES                     1\n",
+       "586  ALLEN BUTTERFIELD                     1\n",
+       "587    GREGORY MAULDIN                     1\n",
+       "588    LAURA RODRIGUEZ                     1\n",
+       "589      ELLEN SIMPSON                     1\n",
+       "\n",
+       "[590 rows x 2 columns]"
+      ]
+     },
+     "execution_count": 10,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "june_data = pd.read_sql_query(\"select concat(cus.first_name,' ', cus.last_name) as full_name, \\\n",
+    "count(rent.customer_id) as count_film_rent_june \\\n",
+    "from sakila.rentals_june rent \\\n",
+    "left join sakila.customer cus \\\n",
+    "on rent.customer_id = cus.customer_id \\\n",
+    "group by rent.customer_id \\\n",
+    "order by 2 desc\", engine)\n",
+    "june_data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 107,
+   "id": "048d6865",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "index_may =may_data.set_index('full_name')\n",
+    "index_june =june_data.set_index('full_name')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 116,
+   "id": "08cdf8a1",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "512"
+      ]
+     },
+     "execution_count": 116,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(list(lst_may & lst_jun)) # common name, i expect to have 512 client in my still_client list"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 109,
+   "id": "26984044",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Write a function that checks if customer borrowed more or less films in the month of June as compared to May\n",
+    "#merging using full_name as index to see may client who bought in june, if 0 in june, client didn't buy\n",
+    "merge = index_may.join(index_june).reset_index().fillna(0).eval('tot_rent = count_film_rent_june + count_film_rent_may')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 114,
+   "id": "cdb319bf",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_may</th>\n",
+       "      <th>count_film_rent_june</th>\n",
+       "      <th>tot_rent</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>102</th>\n",
+       "      <td>TONY CARRANZA</td>\n",
+       "      <td>3</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>3.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>215</th>\n",
+       "      <td>DON BONE</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>280</th>\n",
+       "      <td>PEDRO CHESTNUT</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>289</th>\n",
+       "      <td>MICHEAL FORMAN</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>310</th>\n",
+       "      <td>STEPHEN QUALLS</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>408</th>\n",
+       "      <td>PEGGY MYERS</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>480</th>\n",
+       "      <td>BERNARD COLBY</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>519</th>\n",
+       "      <td>KATHERINE RIVERA</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "            full_name  count_film_rent_may  count_film_rent_june  tot_rent\n",
+       "102     TONY CARRANZA                    3                   0.0       3.0\n",
+       "215          DON BONE                    2                   0.0       2.0\n",
+       "280    PEDRO CHESTNUT                    2                   0.0       2.0\n",
+       "289    MICHEAL FORMAN                    2                   0.0       2.0\n",
+       "310    STEPHEN QUALLS                    2                   0.0       2.0\n",
+       "408       PEGGY MYERS                    1                   0.0       1.0\n",
+       "480     BERNARD COLBY                    1                   0.0       1.0\n",
+       "519  KATHERINE RIVERA                    1                   0.0       1.0"
+      ]
+     },
+     "execution_count": 114,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "merge[merge['count_film_rent_june']==0] # 8 client didn't buy from May to June"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 136,
+   "id": "f1630ac3",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['SUE PETERS',\n",
+       " 'LESLIE SEWARD',\n",
+       " 'EDNA WEST',\n",
+       " 'CASSANDRA WALTERS',\n",
+       " 'MINNIE ROMERO',\n",
+       " 'RUTH MARTINEZ',\n",
+       " 'BILLY POULIN',\n",
+       " 'GERTRUDE CASTILLO',\n",
+       " 'COURTNEY DAY',\n",
+       " 'HEATHER MORRIS',\n",
+       " 'NAOMI JENNINGS',\n",
+       " 'VICKIE BREWER',\n",
+       " 'ENRIQUE FORSYTHE',\n",
+       " 'GERALDINE PERKINS',\n",
+       " 'DELORES HANSEN',\n",
+       " 'ISAAC OGLESBY',\n",
+       " 'MARIE TURNER',\n",
+       " 'MARIA MILLER',\n",
+       " 'MABEL HOLLAND',\n",
+       " 'DAVE GARDINER',\n",
+       " 'JO FOWLER',\n",
+       " 'CLARENCE GAMEZ',\n",
+       " 'TIM CARY',\n",
+       " 'MARIAN MENDOZA',\n",
+       " 'FREDERICK ISBELL',\n",
+       " 'BETTY WHITE',\n",
+       " 'CLAYTON BARBEE',\n",
+       " 'WESLEY BULL',\n",
+       " 'JUNE CARROLL',\n",
+       " 'CLAUDE HERZOG',\n",
+       " 'KRISTIN JOHNSTON',\n",
+       " 'PAUL TROUT',\n",
+       " 'JANE BENNETT',\n",
+       " 'ELSIE KELLEY',\n",
+       " 'DIANE COLLINS',\n",
+       " 'NELSON CHRISTENSON',\n",
+       " 'DEANNA BYRD',\n",
+       " 'FRED WHEAT',\n",
+       " 'KAY CALDWELL',\n",
+       " 'JAVIER ELROD',\n",
+       " 'HARRY ARCE',\n",
+       " 'BOBBIE CRAIG',\n",
+       " 'BRYAN HARDISON',\n",
+       " 'JOYCE EDWARDS',\n",
+       " 'ERNEST STEPP',\n",
+       " 'ALMA AUSTIN',\n",
+       " 'ANGEL BARCLAY',\n",
+       " 'GLORIA COOK',\n",
+       " 'GREG ROBINS',\n",
+       " 'RAMONA HALE',\n",
+       " 'ALLEN BUTTERFIELD',\n",
+       " 'LEON BOSTIC',\n",
+       " 'MARK RINEHART',\n",
+       " 'ROSEMARY SCHMIDT',\n",
+       " 'BRETT CORNWELL',\n",
+       " 'JESSE SCHILLING',\n",
+       " 'AARON SELBY',\n",
+       " 'EDUARDO HIATT',\n",
+       " 'DORA MEDINA',\n",
+       " 'DAWN SULLIVAN',\n",
+       " 'SANDRA MARTIN',\n",
+       " 'EMMA BOYD',\n",
+       " 'JOSEPH JOY',\n",
+       " 'JILL HAWKINS',\n",
+       " 'DONALD MAHON',\n",
+       " 'SHEILA WELLS',\n",
+       " 'MANUEL MURRELL',\n",
+       " 'ELLEN SIMPSON',\n",
+       " 'DANNY ISOM',\n",
+       " 'APRIL BURNS',\n",
+       " 'THEODORE CULP',\n",
+       " 'RONALD WEINER',\n",
+       " 'STEVEN CURLEY',\n",
+       " 'ROBERTA HARPER',\n",
+       " 'BARRY LOVELACE',\n",
+       " 'ROBERT BAUGHMAN',\n",
+       " 'ROBERTO VU',\n",
+       " 'TROY QUIGLEY',\n",
+       " 'JENNY CASTRO',\n",
+       " 'GENE SANBORN',\n",
+       " 'CAROL GARCIA',\n",
+       " 'TONI HOLT',\n",
+       " 'MONICA HICKS',\n",
+       " 'JENNIFER DAVIS',\n",
+       " 'MATTHEW MAHAN',\n",
+       " 'SHERRY MARSHALL',\n",
+       " 'ANN EVANS',\n",
+       " 'BEN EASTER',\n",
+       " 'JIM REA',\n",
+       " 'MARGIE WADE',\n",
+       " 'GLENDA FRAZIER',\n",
+       " 'REGINALD KINDER',\n",
+       " 'PHYLLIS FOSTER',\n",
+       " 'ALICE STEWART',\n",
+       " 'ALEXANDER FENNELL',\n",
+       " 'SARAH LEWIS',\n",
+       " 'DAVID ROYAL',\n",
+       " 'NATHANIEL ADAM',\n",
+       " 'MARSHA DOUGLAS',\n",
+       " 'JUSTIN NGO',\n",
+       " 'JULIA FLORES',\n",
+       " 'KEITH RICO',\n",
+       " 'BOBBY BOUDREAU',\n",
+       " 'JESSIE MILAM',\n",
+       " 'FRANCES PARKER',\n",
+       " 'ALLAN CORNISH',\n",
+       " 'ARMANDO GRUBER',\n",
+       " 'STELLA MORENO',\n",
+       " 'RANDALL NEUMANN',\n",
+       " 'VIVIAN RUIZ',\n",
+       " 'TERESA ROGERS',\n",
+       " 'KEVIN SCHULER',\n",
+       " 'SHARON ROBINSON',\n",
+       " 'GRACE ELLIS',\n",
+       " 'BEATRICE ARNOLD',\n",
+       " 'CHERYL MURPHY',\n",
+       " 'LOUISE JENKINS',\n",
+       " 'JEAN BELL',\n",
+       " 'MARLENE WELCH',\n",
+       " 'CRYSTAL FORD',\n",
+       " 'JEFFERY PINSON',\n",
+       " 'MAURICE CRAWLEY',\n",
+       " 'MICHELLE CLARK',\n",
+       " 'MARCIA DEAN',\n",
+       " 'OSCAR AQUINO',\n",
+       " 'WILLIAM SATTERFIELD',\n",
+       " 'TRAVIS ESTEP',\n",
+       " 'SALLY PIERCE',\n",
+       " 'WILLIE MARKHAM',\n",
+       " 'LAUREN HUDSON',\n",
+       " 'DONNA THOMPSON',\n",
+       " 'KURT EMMONS',\n",
+       " 'VICKI FIELDS',\n",
+       " 'MILDRED BAILEY',\n",
+       " 'EDWIN BURK',\n",
+       " 'GEORGIA JACOBS',\n",
+       " 'TONYA CHAPMAN',\n",
+       " 'JORGE OLIVARES',\n",
+       " 'MARGARET MOORE',\n",
+       " 'TOM MILNER',\n",
+       " 'LAURA RODRIGUEZ',\n",
+       " 'JERRY JORDON',\n",
+       " 'SALVADOR TEEL',\n",
+       " 'CATHERINE CAMPBELL',\n",
+       " 'SARA PERRY',\n",
+       " 'DANIELLE DANIELS',\n",
+       " 'SONIA GREGORY',\n",
+       " 'MAE FLETCHER',\n",
+       " 'BERNICE WILLIS',\n",
+       " 'JOHN FARNSWORTH',\n",
+       " 'LEROY BUSTAMANTE',\n",
+       " 'MICHELE GRANT',\n",
+       " 'AMY LOPEZ',\n",
+       " 'JUDITH COX',\n",
+       " 'KARL SEAL',\n",
+       " 'BECKY MILES',\n",
+       " 'DANA HART',\n",
+       " 'COREY HAUSER',\n",
+       " 'JEREMY HURTADO',\n",
+       " 'TRACY HERRMANN',\n",
+       " 'DORIS REED',\n",
+       " 'TERRY CARLSON',\n",
+       " 'LENA JENSEN',\n",
+       " 'ELIZABETH BROWN',\n",
+       " 'THERESA WATSON',\n",
+       " 'WALLACE SLONE',\n",
+       " 'RACHEL BARNES',\n",
+       " 'JOSE ANDREW',\n",
+       " 'GLEN TALBERT',\n",
+       " 'WENDY HARRISON',\n",
+       " 'CHARLOTTE HUNTER',\n",
+       " 'RAYMOND MCWHORTER',\n",
+       " 'CRAIG MORRELL',\n",
+       " 'RAUL FORTIER',\n",
+       " 'JUAN FRALEY',\n",
+       " 'PAMELA BAKER',\n",
+       " 'CONSTANCE REID',\n",
+       " 'RAY HOULE',\n",
+       " 'JOY GEORGE',\n",
+       " 'FREDDIE DUGGAN',\n",
+       " 'MICHAEL SILVERMAN',\n",
+       " 'MARVIN YEE',\n",
+       " 'YVONNE WATKINS',\n",
+       " 'HARVEY GUAJARDO',\n",
+       " 'VIRGINIA GREEN',\n",
+       " 'EDGAR RHOADS',\n",
+       " 'CHESTER BENNER',\n",
+       " 'MARTIN BALES',\n",
+       " 'ARTHUR SIMPKINS',\n",
+       " 'SYLVIA ORTIZ',\n",
+       " 'BEVERLY BROOKS',\n",
+       " 'MARY SMITH',\n",
+       " 'JUANITA MASON',\n",
+       " 'GEORGE LINTON',\n",
+       " 'VINCENT RALSTON',\n",
+       " 'NORA HERRERA',\n",
+       " 'ERIC ROBERT',\n",
+       " 'DEBORAH WALKER',\n",
+       " 'HILDA HOPKINS',\n",
+       " 'DOUGLAS GRAF',\n",
+       " 'TRACY COLE',\n",
+       " 'COLLEEN BURTON',\n",
+       " 'JON WILES',\n",
+       " 'JARED ELY',\n",
+       " 'BRUCE SCHWARZ',\n",
+       " 'LEONARD SCHOFIELD',\n",
+       " 'PRISCILLA LOWE',\n",
+       " 'CHRISTINE ROBERTS',\n",
+       " 'NORMA GONZALES',\n",
+       " 'ZACHARY HITE',\n",
+       " 'TANYA GILBERT',\n",
+       " 'KIRK STCLAIR',\n",
+       " 'SHERRI RHODES',\n",
+       " 'KATHRYN COLEMAN',\n",
+       " 'EVELYN MORGAN',\n",
+       " 'ROGER QUINTANILLA',\n",
+       " 'WARREN SHERROD',\n",
+       " 'HENRY BILLINGSLEY',\n",
+       " 'RAFAEL ABNEY',\n",
+       " 'RENEE LANE',\n",
+       " 'RITA GRAHAM',\n",
+       " 'MEGAN PALMER',\n",
+       " 'JASON MORRISSEY',\n",
+       " 'FLORENCE WOODS',\n",
+       " 'TAMMY SANDERS',\n",
+       " 'SERGIO STANFIELD',\n",
+       " 'MAXINE SILVA',\n",
+       " 'ANDRE RAPP',\n",
+       " 'LEAH CURTIS',\n",
+       " 'BOB PFEIFFER',\n",
+       " 'KELLY KNOTT',\n",
+       " 'KATHY JAMES',\n",
+       " 'MARCUS HIDALGO',\n",
+       " 'CARL ARTIS',\n",
+       " 'CARLOS COUGHLIN',\n",
+       " 'CHRIS BROTHERS',\n",
+       " 'CHRISTOPHER GRECO',\n",
+       " 'RICARDO MEADOR',\n",
+       " 'LONNIE TIRADO',\n",
+       " 'LESLIE GORDON',\n",
+       " 'JOHNNIE CHISHOLM',\n",
+       " 'JAMIE WAUGH',\n",
+       " 'CASEY MENA',\n",
+       " 'FERNANDO CHURCHILL',\n",
+       " 'GLADYS HAMILTON',\n",
+       " 'LANCE PEMBERTON',\n",
+       " 'VERONICA STONE',\n",
+       " 'JULIO NOLAND',\n",
+       " 'MATHEW BOLIN',\n",
+       " 'SHAWN HEATON',\n",
+       " 'TINA SIMMONS',\n",
+       " 'KATIE ELLIOTT',\n",
+       " 'PAULINE HENRY',\n",
+       " 'ROSE HOWARD',\n",
+       " 'MIGUEL BETANCOURT',\n",
+       " 'CHRISTIAN JUNG',\n",
+       " 'JEROME KENYON',\n",
+       " 'NELLIE GARRETT',\n",
+       " 'TYLER WREN',\n",
+       " 'CLARA SHAW',\n",
+       " 'CAROLINE BOWMAN',\n",
+       " 'KELLY TORRES',\n",
+       " 'JAMES GANNON',\n",
+       " 'KRISTEN CHAVEZ',\n",
+       " 'ELMER NOE',\n",
+       " 'KATHLEEN ADAMS',\n",
+       " 'DARLENE ROSE',\n",
+       " 'VICTOR BARKLEY',\n",
+       " 'ALICIA MILLS',\n",
+       " 'JOANNE ROBERTSON',\n",
+       " 'LAWRENCE LAWTON',\n",
+       " 'MILTON HOWLAND',\n",
+       " 'CHARLES KOWALSKI',\n",
+       " 'CYNTHIA YOUNG',\n",
+       " 'ROSA REYNOLDS',\n",
+       " 'CODY NOLEN',\n",
+       " 'REGINA BERRY',\n",
+       " 'CHARLENE ALVAREZ',\n",
+       " 'YOLANDA WEAVER',\n",
+       " 'LINDA WILLIAMS',\n",
+       " 'MIKE WAY',\n",
+       " 'WANDA PATTERSON',\n",
+       " 'ELAINE STEVENS',\n",
+       " 'JAIME NETTLES',\n",
+       " 'CLIFFORD BOWENS',\n",
+       " 'FELIX GAFFNEY',\n",
+       " 'RICK MATTOX',\n",
+       " 'DERRICK BOURQUE',\n",
+       " 'ALLISON STANLEY',\n",
+       " 'RUBEN GEARY',\n",
+       " 'LEE HAWKS',\n",
+       " 'CINDY FISHER',\n",
+       " 'TIFFANY JORDAN',\n",
+       " 'HAZEL WARREN',\n",
+       " 'ERICA MATTHEWS',\n",
+       " 'KENNETH GOODEN',\n",
+       " 'CONNIE WALLACE',\n",
+       " 'IRENE PRICE',\n",
+       " 'MARION OCAMPO',\n",
+       " 'AUDREY RAY',\n",
+       " 'HOLLY FOX',\n",
+       " 'JUDY GRAY',\n",
+       " 'SAM MCDUFFIE',\n",
+       " 'VIOLA HANSON',\n",
+       " 'TED BREAUX',\n",
+       " 'PHILIP CAUSEY',\n",
+       " 'DWAYNE OLVERA',\n",
+       " 'STEVE MACKENZIE',\n",
+       " 'CHARLIE BESS',\n",
+       " 'HEIDI LARSON',\n",
+       " 'RALPH MADRIGAL',\n",
+       " 'LEONA OBRIEN',\n",
+       " 'NORMAN CURRIER',\n",
+       " 'ANNE POWELL',\n",
+       " 'EDITH MCDONALD',\n",
+       " 'SCOTT SHELLEY',\n",
+       " 'MATTIE HOFFMAN',\n",
+       " 'JESSIE BANKS',\n",
+       " 'BRANDY GRAVES',\n",
+       " 'MORRIS MCCARTER',\n",
+       " 'RICKY SHELBY',\n",
+       " 'KEN PREWITT',\n",
+       " 'JAMIE RICE',\n",
+       " 'RENE MCALISTER',\n",
+       " 'JESSICA HALL',\n",
+       " 'JACKIE LYNCH',\n",
+       " 'ARLENE HARVEY',\n",
+       " 'AGNES BISHOP',\n",
+       " 'THELMA MURRAY',\n",
+       " 'JOAN COOPER',\n",
+       " 'MARJORIE TUCKER',\n",
+       " 'BERTHA FERGUSON',\n",
+       " 'IAN STILL',\n",
+       " 'PHILLIP HOLM',\n",
+       " 'ADAM GOOCH',\n",
+       " 'VIRGIL WOFFORD',\n",
+       " 'DIANNE SHELTON',\n",
+       " 'NANCY THOMAS',\n",
+       " 'KIMBERLY LEE',\n",
+       " 'DARREN WINDHAM',\n",
+       " 'JEANETTE GREENE',\n",
+       " 'TOMMY COLLAZO',\n",
+       " 'ANDREW PURDY',\n",
+       " 'RONNIE RICKETTS',\n",
+       " 'BONNIE HUGHES',\n",
+       " 'NEIL RENNER',\n",
+       " 'GORDON ALLARD',\n",
+       " 'CHAD CARBONE',\n",
+       " 'JACQUELINE LONG',\n",
+       " 'RICHARD MCCRARY',\n",
+       " 'ROBIN HAYES',\n",
+       " 'JENNIE TERRY',\n",
+       " 'VELMA LUCAS',\n",
+       " 'JESUS MCCARTNEY',\n",
+       " 'LESTER KRAUS',\n",
+       " 'MARC OUTLAW',\n",
+       " 'LUCY WHEELER',\n",
+       " 'DANIEL CABRAL',\n",
+       " 'EDWARD BAUGH',\n",
+       " 'AMANDA CARTER',\n",
+       " 'TIMOTHY BUNN',\n",
+       " 'JORDAN ARCHULETA',\n",
+       " 'KRISTINA CHAMBERS',\n",
+       " 'ANNA HILL',\n",
+       " 'HUGH WALDROP',\n",
+       " 'ETHEL WEBB',\n",
+       " 'LYDIA BURKE',\n",
+       " 'ANGELA HERNANDEZ',\n",
+       " 'LILLIAN GRIFFIN',\n",
+       " 'LOIS BUTLER',\n",
+       " 'JOSEPHINE GOMEZ',\n",
+       " 'BRIAN WYMAN',\n",
+       " 'ALVIN DELOACH',\n",
+       " 'BESSIE MORRISON',\n",
+       " 'STACEY MONTGOMERY',\n",
+       " 'BRITTANY RILEY',\n",
+       " 'LOUIS LEONE',\n",
+       " 'JEANNE LAWSON',\n",
+       " 'JANET PHILLIPS',\n",
+       " 'ANDY VANHORN',\n",
+       " 'ANDREA HENDERSON',\n",
+       " 'CLIFTON MALCOLM',\n",
+       " 'OLGA JIMENEZ',\n",
+       " 'RODNEY MOELLER',\n",
+       " 'TARA RYAN',\n",
+       " 'PATRICIA JOHNSON',\n",
+       " 'MISTY LAMBERT',\n",
+       " 'CAROLE BARNETT',\n",
+       " 'LORRAINE STEPHENS',\n",
+       " 'EUGENE CULPEPPER',\n",
+       " 'KIM CRUZ',\n",
+       " 'DAISY BATES',\n",
+       " 'IDA ANDREWS',\n",
+       " 'ERIKA PENA',\n",
+       " 'GINA WILLIAMSON',\n",
+       " 'MELVIN ELLINGTON',\n",
+       " 'KYLE SPURLOCK',\n",
+       " 'WILLIE HOWELL',\n",
+       " 'ARNOLD HAVENS',\n",
+       " 'JULIAN VEST',\n",
+       " 'ADRIAN CLARY',\n",
+       " 'ERIK GUILLEN',\n",
+       " 'BENJAMIN VARNEY',\n",
+       " 'ANTONIO MEEK',\n",
+       " 'PAULA BRYANT',\n",
+       " 'BETH FRANKLIN',\n",
+       " 'LUCILLE HOLMES',\n",
+       " 'CARMEN OWENS',\n",
+       " 'EDDIE TOMLIN',\n",
+       " 'MELINDA FERNANDEZ',\n",
+       " 'FRANKLIN TROUTMAN',\n",
+       " 'BRENT HARKINS',\n",
+       " 'JAY ROBB',\n",
+       " 'RANDY GAITHER',\n",
+       " 'SIDNEY BURLESON',\n",
+       " 'DARRELL POWER',\n",
+       " 'GARY COY',\n",
+       " 'GAIL KNIGHT',\n",
+       " 'ANA BRADLEY',\n",
+       " 'TODD TAN',\n",
+       " 'THOMAS GRIGSBY',\n",
+       " 'SHELLY WATTS',\n",
+       " 'SETH HANNON',\n",
+       " 'CLINTON BUFORD',\n",
+       " 'BRADLEY MOTLEY',\n",
+       " 'RAMON CHOATE',\n",
+       " 'ROSS GREY',\n",
+       " 'TERRENCE GUNDERSON',\n",
+       " 'DEAN SAUER',\n",
+       " 'DALE RATCLIFF',\n",
+       " 'HERBERT KRUGER',\n",
+       " 'CAROLYN PEREZ',\n",
+       " 'FLOYD GANDY',\n",
+       " 'EARL SHANKS',\n",
+       " 'LARRY THRASHER',\n",
+       " 'WILLARD LUMPKIN',\n",
+       " 'LYNN PAYNE',\n",
+       " 'GLENN PULLEN',\n",
+       " 'DENNIS GILMAN',\n",
+       " 'ELEANOR HUNT',\n",
+       " 'DEREK BLAKELY',\n",
+       " 'GABRIEL HARDER',\n",
+       " 'ROY WHITING',\n",
+       " 'ALEX GRESHAM',\n",
+       " 'VERNON CHAPA',\n",
+       " 'JACOB LANCE',\n",
+       " 'VALERIE BLACK',\n",
+       " 'ALBERT CROUSE',\n",
+       " 'SHIRLEY ALLEN',\n",
+       " 'MAX PITT',\n",
+       " 'LUIS YANEZ',\n",
+       " 'DOLORES WAGNER',\n",
+       " 'DUSTIN GILLETTE',\n",
+       " 'MARIO CHEATHAM',\n",
+       " 'BYRON BOX',\n",
+       " 'RUSSELL BRINSON',\n",
+       " 'BRAD MCCURDY',\n",
+       " 'DARRYL ASHCRAFT',\n",
+       " 'NATHAN RUNYON',\n",
+       " 'SAMUEL MARLOW',\n",
+       " 'JEFFREY SPEAR',\n",
+       " 'SUSAN WILSON',\n",
+       " 'EMILY DIAZ',\n",
+       " 'JULIE SANCHEZ',\n",
+       " 'WALTER PERRYMAN',\n",
+       " 'DAN PAINE',\n",
+       " 'JOE GILLILAND',\n",
+       " 'LAURIE LAWRENCE',\n",
+       " 'BRANDON HUEY',\n",
+       " 'GUY BROWNLEE',\n",
+       " 'RHONDA KENNEDY',\n",
+       " 'DEBBIE REYES',\n",
+       " 'JANICE WARD',\n",
+       " 'ELLA OLIVER',\n",
+       " 'MITCHELL WESTMORELAND',\n",
+       " 'PATSY DAVIDSON',\n",
+       " 'LISA ANDERSON',\n",
+       " 'SHANNON FREEMAN',\n",
+       " 'DUANE TUBBS',\n",
+       " 'NATALIE MEYER',\n",
+       " 'ALAN KAHN',\n",
+       " 'JIMMY SCHRADER',\n",
+       " 'AUSTIN CINTRON',\n",
+       " 'CLYDE TOBIAS',\n",
+       " 'JOANN GARDNER',\n",
+       " 'TRACEY BARRETT',\n",
+       " 'BILL GAVIN',\n",
+       " 'NICHOLAS BARFIELD',\n",
+       " 'CHRISTINA RAMIREZ',\n",
+       " 'RON DELUCA',\n",
+       " 'VICTORIA GIBSON',\n",
+       " 'IVAN CROMWELL',\n",
+       " 'FRANCISCO SKIDMORE',\n",
+       " 'STANLEY SCROGGINS',\n",
+       " 'GERALD FULTZ',\n",
+       " 'BILLIE HORTON',\n",
+       " 'PENNY NEAL',\n",
+       " 'FRANCIS SIKES',\n",
+       " 'GILBERT SLEDGE',\n",
+       " 'CHRISTY VARGAS',\n",
+       " 'JONATHAN SCARBOROUGH',\n",
+       " 'LEO EBERT',\n",
+       " 'HERMAN DEVORE',\n",
+       " 'TERRY GRISSOM',\n",
+       " 'LORETTA CARPENTER',\n",
+       " 'DENISE KELLY',\n",
+       " 'STACY CUNNINGHAM',\n",
+       " 'CLAUDIA FULLER',\n",
+       " 'JOEL FRANCISCO',\n",
+       " 'JACK FOUST',\n",
+       " 'DOROTHY TAYLOR',\n",
+       " 'ANITA MORALES']"
+      ]
+     },
+     "execution_count": 136,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "merge['%rebuy']= merge['count_film_rent_june']*100/merge['count_film_rent_may']\n",
+    "merge_rebuy_client = merge.copy()\n",
+    "merge_rebuy_client = merge_rebuy_client[merge_rebuy_client['count_film_rent_june']!=0] \n",
+    "list(merge_rebuy_client['full_name'])"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/lab7.ipynb b/lab7.ipynb
new file mode 100644
index 0000000..df18851
--- /dev/null
+++ b/lab7.ipynb
@@ -0,0 +1,1004 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "00f80e80",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pymysql\n",
+    "from sqlalchemy import create_engine\n",
+    "import pandas as pd"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "df205d96",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "········\n"
+     ]
+    }
+   ],
+   "source": [
+    "import getpass\n",
+    "password = getpass.getpass()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "07cafea0",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_may</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>SUE PETERS</td>\n",
+       "      <td>8</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>LESLIE SEWARD</td>\n",
+       "      <td>7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>EDNA WEST</td>\n",
+       "      <td>7</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>CASSANDRA WALTERS</td>\n",
+       "      <td>6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>MINNIE ROMERO</td>\n",
+       "      <td>6</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>515</th>\n",
+       "      <td>JOEL FRANCISCO</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>516</th>\n",
+       "      <td>JACK FOUST</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>517</th>\n",
+       "      <td>DOROTHY TAYLOR</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>518</th>\n",
+       "      <td>ANITA MORALES</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>519</th>\n",
+       "      <td>KATHERINE RIVERA</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>520 rows × 2 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "             full_name  count_film_rent_may\n",
+       "0           SUE PETERS                    8\n",
+       "1        LESLIE SEWARD                    7\n",
+       "2            EDNA WEST                    7\n",
+       "3    CASSANDRA WALTERS                    6\n",
+       "4        MINNIE ROMERO                    6\n",
+       "..                 ...                  ...\n",
+       "515     JOEL FRANCISCO                    1\n",
+       "516         JACK FOUST                    1\n",
+       "517     DOROTHY TAYLOR                    1\n",
+       "518      ANITA MORALES                    1\n",
+       "519   KATHERINE RIVERA                    1\n",
+       "\n",
+       "[520 rows x 2 columns]"
+      ]
+     },
+     "execution_count": 8,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "connection_string = 'mysql+pymysql://root:' + password + '@localhost/sakila'\n",
+    "engine = create_engine(connection_string)\n",
+    "may_data = pd.read_sql_query(\"select concat(cus.first_name,' ', cus.last_name) as full_name, \\\n",
+    "count(rent.customer_id) as count_film_rent_may \\\n",
+    "from sakila.rentals_may rent \\\n",
+    "left join sakila.customer cus \\\n",
+    "on rent.customer_id = cus.customer_id \\\n",
+    "group by rent.customer_id \\\n",
+    "order by 2 desc\", engine)\n",
+    "may_data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "id": "20473510",
+   "metadata": {
+    "scrolled": true
+   },
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_june</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>0</th>\n",
+       "      <td>BRENDA WRIGHT</td>\n",
+       "      <td>11</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1</th>\n",
+       "      <td>ALEX GRESHAM</td>\n",
+       "      <td>10</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>2</th>\n",
+       "      <td>FRANK WAGGONER</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>3</th>\n",
+       "      <td>DAISY BATES</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>IAN STILL</td>\n",
+       "      <td>9</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>585</th>\n",
+       "      <td>FRANCIS SIKES</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>586</th>\n",
+       "      <td>ALLEN BUTTERFIELD</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>587</th>\n",
+       "      <td>GREGORY MAULDIN</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>588</th>\n",
+       "      <td>LAURA RODRIGUEZ</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>589</th>\n",
+       "      <td>ELLEN SIMPSON</td>\n",
+       "      <td>1</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>590 rows × 2 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "             full_name  count_film_rent_june\n",
+       "0        BRENDA WRIGHT                    11\n",
+       "1         ALEX GRESHAM                    10\n",
+       "2       FRANK WAGGONER                     9\n",
+       "3          DAISY BATES                     9\n",
+       "4            IAN STILL                     9\n",
+       "..                 ...                   ...\n",
+       "585      FRANCIS SIKES                     1\n",
+       "586  ALLEN BUTTERFIELD                     1\n",
+       "587    GREGORY MAULDIN                     1\n",
+       "588    LAURA RODRIGUEZ                     1\n",
+       "589      ELLEN SIMPSON                     1\n",
+       "\n",
+       "[590 rows x 2 columns]"
+      ]
+     },
+     "execution_count": 10,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "june_data = pd.read_sql_query(\"select concat(cus.first_name,' ', cus.last_name) as full_name, \\\n",
+    "count(rent.customer_id) as count_film_rent_june \\\n",
+    "from sakila.rentals_june rent \\\n",
+    "left join sakila.customer cus \\\n",
+    "on rent.customer_id = cus.customer_id \\\n",
+    "group by rent.customer_id \\\n",
+    "order by 2 desc\", engine)\n",
+    "june_data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 107,
+   "id": "048d6865",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "index_may =may_data.set_index('full_name')\n",
+    "index_june =june_data.set_index('full_name')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 116,
+   "id": "08cdf8a1",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "512"
+      ]
+     },
+     "execution_count": 116,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(list(lst_may & lst_jun)) # common name, i expect to have 512 client in my still_client list"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 109,
+   "id": "26984044",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "#Write a function that checks if customer borrowed more or less films in the month of June as compared to May\n",
+    "#merging using full_name as index to see may client who bought in june, if 0 in june, client didn't buy\n",
+    "merge = index_may.join(index_june).reset_index().fillna(0).eval('tot_rent = count_film_rent_june + count_film_rent_may')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 114,
+   "id": "cdb319bf",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>full_name</th>\n",
+       "      <th>count_film_rent_may</th>\n",
+       "      <th>count_film_rent_june</th>\n",
+       "      <th>tot_rent</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>102</th>\n",
+       "      <td>TONY CARRANZA</td>\n",
+       "      <td>3</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>3.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>215</th>\n",
+       "      <td>DON BONE</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>280</th>\n",
+       "      <td>PEDRO CHESTNUT</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>289</th>\n",
+       "      <td>MICHEAL FORMAN</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>310</th>\n",
+       "      <td>STEPHEN QUALLS</td>\n",
+       "      <td>2</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>2.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>408</th>\n",
+       "      <td>PEGGY MYERS</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>480</th>\n",
+       "      <td>BERNARD COLBY</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>519</th>\n",
+       "      <td>KATHERINE RIVERA</td>\n",
+       "      <td>1</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>1.0</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "            full_name  count_film_rent_may  count_film_rent_june  tot_rent\n",
+       "102     TONY CARRANZA                    3                   0.0       3.0\n",
+       "215          DON BONE                    2                   0.0       2.0\n",
+       "280    PEDRO CHESTNUT                    2                   0.0       2.0\n",
+       "289    MICHEAL FORMAN                    2                   0.0       2.0\n",
+       "310    STEPHEN QUALLS                    2                   0.0       2.0\n",
+       "408       PEGGY MYERS                    1                   0.0       1.0\n",
+       "480     BERNARD COLBY                    1                   0.0       1.0\n",
+       "519  KATHERINE RIVERA                    1                   0.0       1.0"
+      ]
+     },
+     "execution_count": 114,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "merge[merge['count_film_rent_june']==0] # 8 client didn't buy from May to June"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 136,
+   "id": "f1630ac3",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['SUE PETERS',\n",
+       " 'LESLIE SEWARD',\n",
+       " 'EDNA WEST',\n",
+       " 'CASSANDRA WALTERS',\n",
+       " 'MINNIE ROMERO',\n",
+       " 'RUTH MARTINEZ',\n",
+       " 'BILLY POULIN',\n",
+       " 'GERTRUDE CASTILLO',\n",
+       " 'COURTNEY DAY',\n",
+       " 'HEATHER MORRIS',\n",
+       " 'NAOMI JENNINGS',\n",
+       " 'VICKIE BREWER',\n",
+       " 'ENRIQUE FORSYTHE',\n",
+       " 'GERALDINE PERKINS',\n",
+       " 'DELORES HANSEN',\n",
+       " 'ISAAC OGLESBY',\n",
+       " 'MARIE TURNER',\n",
+       " 'MARIA MILLER',\n",
+       " 'MABEL HOLLAND',\n",
+       " 'DAVE GARDINER',\n",
+       " 'JO FOWLER',\n",
+       " 'CLARENCE GAMEZ',\n",
+       " 'TIM CARY',\n",
+       " 'MARIAN MENDOZA',\n",
+       " 'FREDERICK ISBELL',\n",
+       " 'BETTY WHITE',\n",
+       " 'CLAYTON BARBEE',\n",
+       " 'WESLEY BULL',\n",
+       " 'JUNE CARROLL',\n",
+       " 'CLAUDE HERZOG',\n",
+       " 'KRISTIN JOHNSTON',\n",
+       " 'PAUL TROUT',\n",
+       " 'JANE BENNETT',\n",
+       " 'ELSIE KELLEY',\n",
+       " 'DIANE COLLINS',\n",
+       " 'NELSON CHRISTENSON',\n",
+       " 'DEANNA BYRD',\n",
+       " 'FRED WHEAT',\n",
+       " 'KAY CALDWELL',\n",
+       " 'JAVIER ELROD',\n",
+       " 'HARRY ARCE',\n",
+       " 'BOBBIE CRAIG',\n",
+       " 'BRYAN HARDISON',\n",
+       " 'JOYCE EDWARDS',\n",
+       " 'ERNEST STEPP',\n",
+       " 'ALMA AUSTIN',\n",
+       " 'ANGEL BARCLAY',\n",
+       " 'GLORIA COOK',\n",
+       " 'GREG ROBINS',\n",
+       " 'RAMONA HALE',\n",
+       " 'ALLEN BUTTERFIELD',\n",
+       " 'LEON BOSTIC',\n",
+       " 'MARK RINEHART',\n",
+       " 'ROSEMARY SCHMIDT',\n",
+       " 'BRETT CORNWELL',\n",
+       " 'JESSE SCHILLING',\n",
+       " 'AARON SELBY',\n",
+       " 'EDUARDO HIATT',\n",
+       " 'DORA MEDINA',\n",
+       " 'DAWN SULLIVAN',\n",
+       " 'SANDRA MARTIN',\n",
+       " 'EMMA BOYD',\n",
+       " 'JOSEPH JOY',\n",
+       " 'JILL HAWKINS',\n",
+       " 'DONALD MAHON',\n",
+       " 'SHEILA WELLS',\n",
+       " 'MANUEL MURRELL',\n",
+       " 'ELLEN SIMPSON',\n",
+       " 'DANNY ISOM',\n",
+       " 'APRIL BURNS',\n",
+       " 'THEODORE CULP',\n",
+       " 'RONALD WEINER',\n",
+       " 'STEVEN CURLEY',\n",
+       " 'ROBERTA HARPER',\n",
+       " 'BARRY LOVELACE',\n",
+       " 'ROBERT BAUGHMAN',\n",
+       " 'ROBERTO VU',\n",
+       " 'TROY QUIGLEY',\n",
+       " 'JENNY CASTRO',\n",
+       " 'GENE SANBORN',\n",
+       " 'CAROL GARCIA',\n",
+       " 'TONI HOLT',\n",
+       " 'MONICA HICKS',\n",
+       " 'JENNIFER DAVIS',\n",
+       " 'MATTHEW MAHAN',\n",
+       " 'SHERRY MARSHALL',\n",
+       " 'ANN EVANS',\n",
+       " 'BEN EASTER',\n",
+       " 'JIM REA',\n",
+       " 'MARGIE WADE',\n",
+       " 'GLENDA FRAZIER',\n",
+       " 'REGINALD KINDER',\n",
+       " 'PHYLLIS FOSTER',\n",
+       " 'ALICE STEWART',\n",
+       " 'ALEXANDER FENNELL',\n",
+       " 'SARAH LEWIS',\n",
+       " 'DAVID ROYAL',\n",
+       " 'NATHANIEL ADAM',\n",
+       " 'MARSHA DOUGLAS',\n",
+       " 'JUSTIN NGO',\n",
+       " 'JULIA FLORES',\n",
+       " 'KEITH RICO',\n",
+       " 'BOBBY BOUDREAU',\n",
+       " 'JESSIE MILAM',\n",
+       " 'FRANCES PARKER',\n",
+       " 'ALLAN CORNISH',\n",
+       " 'ARMANDO GRUBER',\n",
+       " 'STELLA MORENO',\n",
+       " 'RANDALL NEUMANN',\n",
+       " 'VIVIAN RUIZ',\n",
+       " 'TERESA ROGERS',\n",
+       " 'KEVIN SCHULER',\n",
+       " 'SHARON ROBINSON',\n",
+       " 'GRACE ELLIS',\n",
+       " 'BEATRICE ARNOLD',\n",
+       " 'CHERYL MURPHY',\n",
+       " 'LOUISE JENKINS',\n",
+       " 'JEAN BELL',\n",
+       " 'MARLENE WELCH',\n",
+       " 'CRYSTAL FORD',\n",
+       " 'JEFFERY PINSON',\n",
+       " 'MAURICE CRAWLEY',\n",
+       " 'MICHELLE CLARK',\n",
+       " 'MARCIA DEAN',\n",
+       " 'OSCAR AQUINO',\n",
+       " 'WILLIAM SATTERFIELD',\n",
+       " 'TRAVIS ESTEP',\n",
+       " 'SALLY PIERCE',\n",
+       " 'WILLIE MARKHAM',\n",
+       " 'LAUREN HUDSON',\n",
+       " 'DONNA THOMPSON',\n",
+       " 'KURT EMMONS',\n",
+       " 'VICKI FIELDS',\n",
+       " 'MILDRED BAILEY',\n",
+       " 'EDWIN BURK',\n",
+       " 'GEORGIA JACOBS',\n",
+       " 'TONYA CHAPMAN',\n",
+       " 'JORGE OLIVARES',\n",
+       " 'MARGARET MOORE',\n",
+       " 'TOM MILNER',\n",
+       " 'LAURA RODRIGUEZ',\n",
+       " 'JERRY JORDON',\n",
+       " 'SALVADOR TEEL',\n",
+       " 'CATHERINE CAMPBELL',\n",
+       " 'SARA PERRY',\n",
+       " 'DANIELLE DANIELS',\n",
+       " 'SONIA GREGORY',\n",
+       " 'MAE FLETCHER',\n",
+       " 'BERNICE WILLIS',\n",
+       " 'JOHN FARNSWORTH',\n",
+       " 'LEROY BUSTAMANTE',\n",
+       " 'MICHELE GRANT',\n",
+       " 'AMY LOPEZ',\n",
+       " 'JUDITH COX',\n",
+       " 'KARL SEAL',\n",
+       " 'BECKY MILES',\n",
+       " 'DANA HART',\n",
+       " 'COREY HAUSER',\n",
+       " 'JEREMY HURTADO',\n",
+       " 'TRACY HERRMANN',\n",
+       " 'DORIS REED',\n",
+       " 'TERRY CARLSON',\n",
+       " 'LENA JENSEN',\n",
+       " 'ELIZABETH BROWN',\n",
+       " 'THERESA WATSON',\n",
+       " 'WALLACE SLONE',\n",
+       " 'RACHEL BARNES',\n",
+       " 'JOSE ANDREW',\n",
+       " 'GLEN TALBERT',\n",
+       " 'WENDY HARRISON',\n",
+       " 'CHARLOTTE HUNTER',\n",
+       " 'RAYMOND MCWHORTER',\n",
+       " 'CRAIG MORRELL',\n",
+       " 'RAUL FORTIER',\n",
+       " 'JUAN FRALEY',\n",
+       " 'PAMELA BAKER',\n",
+       " 'CONSTANCE REID',\n",
+       " 'RAY HOULE',\n",
+       " 'JOY GEORGE',\n",
+       " 'FREDDIE DUGGAN',\n",
+       " 'MICHAEL SILVERMAN',\n",
+       " 'MARVIN YEE',\n",
+       " 'YVONNE WATKINS',\n",
+       " 'HARVEY GUAJARDO',\n",
+       " 'VIRGINIA GREEN',\n",
+       " 'EDGAR RHOADS',\n",
+       " 'CHESTER BENNER',\n",
+       " 'MARTIN BALES',\n",
+       " 'ARTHUR SIMPKINS',\n",
+       " 'SYLVIA ORTIZ',\n",
+       " 'BEVERLY BROOKS',\n",
+       " 'MARY SMITH',\n",
+       " 'JUANITA MASON',\n",
+       " 'GEORGE LINTON',\n",
+       " 'VINCENT RALSTON',\n",
+       " 'NORA HERRERA',\n",
+       " 'ERIC ROBERT',\n",
+       " 'DEBORAH WALKER',\n",
+       " 'HILDA HOPKINS',\n",
+       " 'DOUGLAS GRAF',\n",
+       " 'TRACY COLE',\n",
+       " 'COLLEEN BURTON',\n",
+       " 'JON WILES',\n",
+       " 'JARED ELY',\n",
+       " 'BRUCE SCHWARZ',\n",
+       " 'LEONARD SCHOFIELD',\n",
+       " 'PRISCILLA LOWE',\n",
+       " 'CHRISTINE ROBERTS',\n",
+       " 'NORMA GONZALES',\n",
+       " 'ZACHARY HITE',\n",
+       " 'TANYA GILBERT',\n",
+       " 'KIRK STCLAIR',\n",
+       " 'SHERRI RHODES',\n",
+       " 'KATHRYN COLEMAN',\n",
+       " 'EVELYN MORGAN',\n",
+       " 'ROGER QUINTANILLA',\n",
+       " 'WARREN SHERROD',\n",
+       " 'HENRY BILLINGSLEY',\n",
+       " 'RAFAEL ABNEY',\n",
+       " 'RENEE LANE',\n",
+       " 'RITA GRAHAM',\n",
+       " 'MEGAN PALMER',\n",
+       " 'JASON MORRISSEY',\n",
+       " 'FLORENCE WOODS',\n",
+       " 'TAMMY SANDERS',\n",
+       " 'SERGIO STANFIELD',\n",
+       " 'MAXINE SILVA',\n",
+       " 'ANDRE RAPP',\n",
+       " 'LEAH CURTIS',\n",
+       " 'BOB PFEIFFER',\n",
+       " 'KELLY KNOTT',\n",
+       " 'KATHY JAMES',\n",
+       " 'MARCUS HIDALGO',\n",
+       " 'CARL ARTIS',\n",
+       " 'CARLOS COUGHLIN',\n",
+       " 'CHRIS BROTHERS',\n",
+       " 'CHRISTOPHER GRECO',\n",
+       " 'RICARDO MEADOR',\n",
+       " 'LONNIE TIRADO',\n",
+       " 'LESLIE GORDON',\n",
+       " 'JOHNNIE CHISHOLM',\n",
+       " 'JAMIE WAUGH',\n",
+       " 'CASEY MENA',\n",
+       " 'FERNANDO CHURCHILL',\n",
+       " 'GLADYS HAMILTON',\n",
+       " 'LANCE PEMBERTON',\n",
+       " 'VERONICA STONE',\n",
+       " 'JULIO NOLAND',\n",
+       " 'MATHEW BOLIN',\n",
+       " 'SHAWN HEATON',\n",
+       " 'TINA SIMMONS',\n",
+       " 'KATIE ELLIOTT',\n",
+       " 'PAULINE HENRY',\n",
+       " 'ROSE HOWARD',\n",
+       " 'MIGUEL BETANCOURT',\n",
+       " 'CHRISTIAN JUNG',\n",
+       " 'JEROME KENYON',\n",
+       " 'NELLIE GARRETT',\n",
+       " 'TYLER WREN',\n",
+       " 'CLARA SHAW',\n",
+       " 'CAROLINE BOWMAN',\n",
+       " 'KELLY TORRES',\n",
+       " 'JAMES GANNON',\n",
+       " 'KRISTEN CHAVEZ',\n",
+       " 'ELMER NOE',\n",
+       " 'KATHLEEN ADAMS',\n",
+       " 'DARLENE ROSE',\n",
+       " 'VICTOR BARKLEY',\n",
+       " 'ALICIA MILLS',\n",
+       " 'JOANNE ROBERTSON',\n",
+       " 'LAWRENCE LAWTON',\n",
+       " 'MILTON HOWLAND',\n",
+       " 'CHARLES KOWALSKI',\n",
+       " 'CYNTHIA YOUNG',\n",
+       " 'ROSA REYNOLDS',\n",
+       " 'CODY NOLEN',\n",
+       " 'REGINA BERRY',\n",
+       " 'CHARLENE ALVAREZ',\n",
+       " 'YOLANDA WEAVER',\n",
+       " 'LINDA WILLIAMS',\n",
+       " 'MIKE WAY',\n",
+       " 'WANDA PATTERSON',\n",
+       " 'ELAINE STEVENS',\n",
+       " 'JAIME NETTLES',\n",
+       " 'CLIFFORD BOWENS',\n",
+       " 'FELIX GAFFNEY',\n",
+       " 'RICK MATTOX',\n",
+       " 'DERRICK BOURQUE',\n",
+       " 'ALLISON STANLEY',\n",
+       " 'RUBEN GEARY',\n",
+       " 'LEE HAWKS',\n",
+       " 'CINDY FISHER',\n",
+       " 'TIFFANY JORDAN',\n",
+       " 'HAZEL WARREN',\n",
+       " 'ERICA MATTHEWS',\n",
+       " 'KENNETH GOODEN',\n",
+       " 'CONNIE WALLACE',\n",
+       " 'IRENE PRICE',\n",
+       " 'MARION OCAMPO',\n",
+       " 'AUDREY RAY',\n",
+       " 'HOLLY FOX',\n",
+       " 'JUDY GRAY',\n",
+       " 'SAM MCDUFFIE',\n",
+       " 'VIOLA HANSON',\n",
+       " 'TED BREAUX',\n",
+       " 'PHILIP CAUSEY',\n",
+       " 'DWAYNE OLVERA',\n",
+       " 'STEVE MACKENZIE',\n",
+       " 'CHARLIE BESS',\n",
+       " 'HEIDI LARSON',\n",
+       " 'RALPH MADRIGAL',\n",
+       " 'LEONA OBRIEN',\n",
+       " 'NORMAN CURRIER',\n",
+       " 'ANNE POWELL',\n",
+       " 'EDITH MCDONALD',\n",
+       " 'SCOTT SHELLEY',\n",
+       " 'MATTIE HOFFMAN',\n",
+       " 'JESSIE BANKS',\n",
+       " 'BRANDY GRAVES',\n",
+       " 'MORRIS MCCARTER',\n",
+       " 'RICKY SHELBY',\n",
+       " 'KEN PREWITT',\n",
+       " 'JAMIE RICE',\n",
+       " 'RENE MCALISTER',\n",
+       " 'JESSICA HALL',\n",
+       " 'JACKIE LYNCH',\n",
+       " 'ARLENE HARVEY',\n",
+       " 'AGNES BISHOP',\n",
+       " 'THELMA MURRAY',\n",
+       " 'JOAN COOPER',\n",
+       " 'MARJORIE TUCKER',\n",
+       " 'BERTHA FERGUSON',\n",
+       " 'IAN STILL',\n",
+       " 'PHILLIP HOLM',\n",
+       " 'ADAM GOOCH',\n",
+       " 'VIRGIL WOFFORD',\n",
+       " 'DIANNE SHELTON',\n",
+       " 'NANCY THOMAS',\n",
+       " 'KIMBERLY LEE',\n",
+       " 'DARREN WINDHAM',\n",
+       " 'JEANETTE GREENE',\n",
+       " 'TOMMY COLLAZO',\n",
+       " 'ANDREW PURDY',\n",
+       " 'RONNIE RICKETTS',\n",
+       " 'BONNIE HUGHES',\n",
+       " 'NEIL RENNER',\n",
+       " 'GORDON ALLARD',\n",
+       " 'CHAD CARBONE',\n",
+       " 'JACQUELINE LONG',\n",
+       " 'RICHARD MCCRARY',\n",
+       " 'ROBIN HAYES',\n",
+       " 'JENNIE TERRY',\n",
+       " 'VELMA LUCAS',\n",
+       " 'JESUS MCCARTNEY',\n",
+       " 'LESTER KRAUS',\n",
+       " 'MARC OUTLAW',\n",
+       " 'LUCY WHEELER',\n",
+       " 'DANIEL CABRAL',\n",
+       " 'EDWARD BAUGH',\n",
+       " 'AMANDA CARTER',\n",
+       " 'TIMOTHY BUNN',\n",
+       " 'JORDAN ARCHULETA',\n",
+       " 'KRISTINA CHAMBERS',\n",
+       " 'ANNA HILL',\n",
+       " 'HUGH WALDROP',\n",
+       " 'ETHEL WEBB',\n",
+       " 'LYDIA BURKE',\n",
+       " 'ANGELA HERNANDEZ',\n",
+       " 'LILLIAN GRIFFIN',\n",
+       " 'LOIS BUTLER',\n",
+       " 'JOSEPHINE GOMEZ',\n",
+       " 'BRIAN WYMAN',\n",
+       " 'ALVIN DELOACH',\n",
+       " 'BESSIE MORRISON',\n",
+       " 'STACEY MONTGOMERY',\n",
+       " 'BRITTANY RILEY',\n",
+       " 'LOUIS LEONE',\n",
+       " 'JEANNE LAWSON',\n",
+       " 'JANET PHILLIPS',\n",
+       " 'ANDY VANHORN',\n",
+       " 'ANDREA HENDERSON',\n",
+       " 'CLIFTON MALCOLM',\n",
+       " 'OLGA JIMENEZ',\n",
+       " 'RODNEY MOELLER',\n",
+       " 'TARA RYAN',\n",
+       " 'PATRICIA JOHNSON',\n",
+       " 'MISTY LAMBERT',\n",
+       " 'CAROLE BARNETT',\n",
+       " 'LORRAINE STEPHENS',\n",
+       " 'EUGENE CULPEPPER',\n",
+       " 'KIM CRUZ',\n",
+       " 'DAISY BATES',\n",
+       " 'IDA ANDREWS',\n",
+       " 'ERIKA PENA',\n",
+       " 'GINA WILLIAMSON',\n",
+       " 'MELVIN ELLINGTON',\n",
+       " 'KYLE SPURLOCK',\n",
+       " 'WILLIE HOWELL',\n",
+       " 'ARNOLD HAVENS',\n",
+       " 'JULIAN VEST',\n",
+       " 'ADRIAN CLARY',\n",
+       " 'ERIK GUILLEN',\n",
+       " 'BENJAMIN VARNEY',\n",
+       " 'ANTONIO MEEK',\n",
+       " 'PAULA BRYANT',\n",
+       " 'BETH FRANKLIN',\n",
+       " 'LUCILLE HOLMES',\n",
+       " 'CARMEN OWENS',\n",
+       " 'EDDIE TOMLIN',\n",
+       " 'MELINDA FERNANDEZ',\n",
+       " 'FRANKLIN TROUTMAN',\n",
+       " 'BRENT HARKINS',\n",
+       " 'JAY ROBB',\n",
+       " 'RANDY GAITHER',\n",
+       " 'SIDNEY BURLESON',\n",
+       " 'DARRELL POWER',\n",
+       " 'GARY COY',\n",
+       " 'GAIL KNIGHT',\n",
+       " 'ANA BRADLEY',\n",
+       " 'TODD TAN',\n",
+       " 'THOMAS GRIGSBY',\n",
+       " 'SHELLY WATTS',\n",
+       " 'SETH HANNON',\n",
+       " 'CLINTON BUFORD',\n",
+       " 'BRADLEY MOTLEY',\n",
+       " 'RAMON CHOATE',\n",
+       " 'ROSS GREY',\n",
+       " 'TERRENCE GUNDERSON',\n",
+       " 'DEAN SAUER',\n",
+       " 'DALE RATCLIFF',\n",
+       " 'HERBERT KRUGER',\n",
+       " 'CAROLYN PEREZ',\n",
+       " 'FLOYD GANDY',\n",
+       " 'EARL SHANKS',\n",
+       " 'LARRY THRASHER',\n",
+       " 'WILLARD LUMPKIN',\n",
+       " 'LYNN PAYNE',\n",
+       " 'GLENN PULLEN',\n",
+       " 'DENNIS GILMAN',\n",
+       " 'ELEANOR HUNT',\n",
+       " 'DEREK BLAKELY',\n",
+       " 'GABRIEL HARDER',\n",
+       " 'ROY WHITING',\n",
+       " 'ALEX GRESHAM',\n",
+       " 'VERNON CHAPA',\n",
+       " 'JACOB LANCE',\n",
+       " 'VALERIE BLACK',\n",
+       " 'ALBERT CROUSE',\n",
+       " 'SHIRLEY ALLEN',\n",
+       " 'MAX PITT',\n",
+       " 'LUIS YANEZ',\n",
+       " 'DOLORES WAGNER',\n",
+       " 'DUSTIN GILLETTE',\n",
+       " 'MARIO CHEATHAM',\n",
+       " 'BYRON BOX',\n",
+       " 'RUSSELL BRINSON',\n",
+       " 'BRAD MCCURDY',\n",
+       " 'DARRYL ASHCRAFT',\n",
+       " 'NATHAN RUNYON',\n",
+       " 'SAMUEL MARLOW',\n",
+       " 'JEFFREY SPEAR',\n",
+       " 'SUSAN WILSON',\n",
+       " 'EMILY DIAZ',\n",
+       " 'JULIE SANCHEZ',\n",
+       " 'WALTER PERRYMAN',\n",
+       " 'DAN PAINE',\n",
+       " 'JOE GILLILAND',\n",
+       " 'LAURIE LAWRENCE',\n",
+       " 'BRANDON HUEY',\n",
+       " 'GUY BROWNLEE',\n",
+       " 'RHONDA KENNEDY',\n",
+       " 'DEBBIE REYES',\n",
+       " 'JANICE WARD',\n",
+       " 'ELLA OLIVER',\n",
+       " 'MITCHELL WESTMORELAND',\n",
+       " 'PATSY DAVIDSON',\n",
+       " 'LISA ANDERSON',\n",
+       " 'SHANNON FREEMAN',\n",
+       " 'DUANE TUBBS',\n",
+       " 'NATALIE MEYER',\n",
+       " 'ALAN KAHN',\n",
+       " 'JIMMY SCHRADER',\n",
+       " 'AUSTIN CINTRON',\n",
+       " 'CLYDE TOBIAS',\n",
+       " 'JOANN GARDNER',\n",
+       " 'TRACEY BARRETT',\n",
+       " 'BILL GAVIN',\n",
+       " 'NICHOLAS BARFIELD',\n",
+       " 'CHRISTINA RAMIREZ',\n",
+       " 'RON DELUCA',\n",
+       " 'VICTORIA GIBSON',\n",
+       " 'IVAN CROMWELL',\n",
+       " 'FRANCISCO SKIDMORE',\n",
+       " 'STANLEY SCROGGINS',\n",
+       " 'GERALD FULTZ',\n",
+       " 'BILLIE HORTON',\n",
+       " 'PENNY NEAL',\n",
+       " 'FRANCIS SIKES',\n",
+       " 'GILBERT SLEDGE',\n",
+       " 'CHRISTY VARGAS',\n",
+       " 'JONATHAN SCARBOROUGH',\n",
+       " 'LEO EBERT',\n",
+       " 'HERMAN DEVORE',\n",
+       " 'TERRY GRISSOM',\n",
+       " 'LORETTA CARPENTER',\n",
+       " 'DENISE KELLY',\n",
+       " 'STACY CUNNINGHAM',\n",
+       " 'CLAUDIA FULLER',\n",
+       " 'JOEL FRANCISCO',\n",
+       " 'JACK FOUST',\n",
+       " 'DOROTHY TAYLOR',\n",
+       " 'ANITA MORALES']"
+      ]
+     },
+     "execution_count": 136,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "merge['%rebuy']= merge['count_film_rent_june']*100/merge['count_film_rent_may']\n",
+    "merge_rebuy_client = merge.copy()\n",
+    "merge_rebuy_client = merge_rebuy_client[merge_rebuy_client['count_film_rent_june']!=0] \n",
+    "list(merge_rebuy_client['full_name'])"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/lab7.sql b/lab7.sql
new file mode 100644
index 0000000..608c053
--- /dev/null
+++ b/lab7.sql
@@ -0,0 +1,31 @@
+-- Create a table `rentals_may` to store the data from rental table with information for the month of May.
+-- - Insert values in the table `rentals_may` using the table rental, filtering values only for the month of May.
+USE sakila;
+create table rentals_may select * from sakila.rental
+where month(rental_date)=5;
+-- to confirm
+select distinct (month(rental_date)) from rentals_may
+order by 1;
+
+-- - Insert values in the table `rentals_june` using the table rental, filtering values only for the month of June.
+USE sakila;
+create table rentals_june select * from sakila.rental
+where month(rental_date)=6 ;
+
+-- - Check the number of rentals for each customer for May.
+select concat(cus.first_name,' ', cus.last_name) as full_name, count(rent.customer_id) as count_film_rent_may
+from sakila.rentals_may rent
+left join sakila.customer cus 
+on rent.customer_id = cus.customer_id
+group by rent.customer_id
+order by 2 desc;
+
+--  Check the number of rentals for each customer for June.
+select concat(cus.first_name,' ', cus.last_name) as full_name, count(rent.customer_id) as count_film_rent_june
+from sakila.rentals_june rent
+left join sakila.customer cus 
+on rent.customer_id = cus.customer_id
+group by rent.customer_id
+order by 2 desc;
+
+--
\ No newline at end of file